Specimen identification techniques employing nth-order autocorrelation functions



July 20, 1965 H. H. GOLDSTINE ETAL 3,196,397

SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH-0RDER AUTOCORRELATIQN FUNCTIONS Filed June 19, 1961 37 Sheets-Sheet 2 S N "3 M) (O F Q 05 o g 2' I MAXIMUM SIGNAL INDICATOR T F A c LO 0 N G) (D o m C: C: I I Z x m m c:

REFERENCE STORAGE AND CORRELATOR A A A v l- N In C A A A 3 5 2 a 3 E v S g g E Q (I) l- Lu I J' fli 53 D: 2 a: :3 Q: l O o 0"% 0. g t 1 i o Q 0: 0: O: v z LU L|.l m m m i" I- I- F- Q E z z z z z z n A A A -e i C9 z; E F ,1 3 E z E L L T :s

July 20, 1965 H. H. GOLDSTINE ETAL 3,196,397

SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH-ORDER AUTOCORRELATION FUNCTIONS Filed June 19. 1961 37 Sheets-Sheet 3 S N r0 1- LO 0 n m1 0 :1

MAXIMUM SIGNAL INDICATOR My A n A A A a? a? 5 5 22 2 a? REFERENCE STORAGE AND CORRELATOR m I E m (2) i: GENERATOR GENERATOR 4 f E: a 5 5 g a Z 5 E E C i :3 O i g in 2, 1,, E2 f3: Q a c 0 Lu r" J 2 '5 T 0 O: 0: [I D: Q: 0: LE o o O O o O :1 O F... U) lllll- 4 1 1: 4 O a 0: It O: D: O: D: D: O (D (D (D (9- (D (D 0 Q: LLI UJ LLI I.Ll LLI LLI LL] plli- F- l- I- I- z 2 z z z z z z z w m y 1965 H. H. GOLDSTINE ETAL 3,196,397

SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH-ORDER AUTOCORRELATION FUNCTIONS 37 Sheets-Sheet 6 Filed June 19. 1961 III III IIIIIIIIII IIIIIIIIIIIIIIIII II III III I II I IIINIIIIIIIIIIIIIIIIIIIINIIIIIIII II I II I I I I I II II I I I II I I I I I II N I I I I I I III II II II I II II II III II II II II I II II II II II II II II II II IIIIIIII IIIIIIII IIIIIIII IIIIIIII I IIIIIIIII IIIIIIII IIIIIIII IIIIIIII III II III I I I II I II I II II I I II II II II II II II II II II II II II II III II III II III II II II I III II II II II II III II II II II III II III I I II I II II IIIIIIII IIIIIIII IIIIIIII IIIIII IIIIIIIIIIIIIII I IIIIIIIIIIII IN IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII III I I III III IIIIIII III IIIIIIIIII IIIIIIII IIIIIIII III II III I I I II I II I I II II II II II II II II II II II II II II II II I I I I II II II II II II II III II II II II II I I I II I I II II II II II II II II II II II II III II II II II II II II II II I III II I II II II II I II II II II I II I I I I I I II II I IIIIIIHEI INII III II II II II II II II II II NIIHI III II II II II II II II IIIIIHIHEI III II II II II II II IIIIIIHEI II II II I I I IIIIJIII II II II II II II II IIIIIIII II II II II II I I III II II II II II II II II I I I II I I I I III II I II II II III II II II II I I III II II II II II II III I II II II II II I II II II II II II II I I I II II II II II I I III II II I II I II II II Ig w QE h QE 3,196,397 FICATION TECHNIQUES EMPLOYING NTH-O AUTOCORRELATION FUNCTIONS RDER 3'7 Sheets-Sheet '7 July 20, 1965 H. H. GOLDSTINE ETAL SPECIMEN ,IDENTI Filed June 19. 1961 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN N N N N IN N N N N N N; o N N N N N N m N N N N N m N N m a N Z N o N o N N N N N N N N N N m N N o\ Q Q N N o o N N o N N. N o o N o N N N o N N N NNNNNNN NNNNNN NN NN N: ZNNNNNNNNNNZNNNNNNNN NNNNNNNN N N: NNNNNNN NNN N N o N; Ni N Q 0 N N N o N N o o N N N N N N N N N o Q Q N N ZNOZNNNNNNNZ o o o o o N o o o N "NE W N N o N N N N .5 o o o o o o oow N" 5 N N; O 0% N N o N N N o N N N N N; N o N o N o N ooo N N N N N N N N P 9 QFN :NN NNNNoNoNoNNNoNmNoNmNmNNNoNooNooNNnmN oNNNoNNoNNoNMNoNNoNNoN oNNo Nooo oNoo Nooo ow ooo ooo ooo ooo o ooo ooo ooo oNN oooo ooNN oNoo ooN oooooooooooooooooo ooNN oNoo ooNN om oNN Noo oNo N W NN o. o Z N N o o oooo oooo oNN ooNNooNoNNoom o N N o N o o o o N 2:: n SN m o o o o o o o woaHN N8 u o o o o N N own N NNN MN oooo ooN oooooooo I1 ooNN oN o N N N ooo N o N N oNN oN o mdNuN July 20, 1965 Filed June 19. 1961 H. H. GOLDSTINE ETAL SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH-ORDER AUTOCORRELATION FUNCTIONS 57 Sheets-Sheet 11 FIG.17 FIG.18 FIG.I9

AMPLIFIER INTEGRATOR SUMMING AMPLIFIER FIG.2O E |=|s.22

S GATE TH R o GEN INVERTER FLIP-FLOP GATE GENERATOR FIG. 24 FIG 25 PIC-3.23

|QR DELAY "AND" GATE "0RGATE DELAY CIRCUIT I I I I F I SHIFT I F|G.26| a a a a a REGISTER sum 1 T T T 1 o i o 1 o 1 o I s R s R s R s R INPUT 1 j j j I RESET FIG..27 k

En :2 E E I 2 TIME 1 LN GENERATOR July 20, 1965 H. H. GOLDSTINE ETAL 3,196,397

SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING- NTH-ORDER AUTOGORRELATION FUNCTIONS 37 Sheets-Sheet 12 Filed June 19 1961 wwom QwNdE 5N0; h 2 moEmwzww wN E 1 MEG .52.: w 5255a E I E MES :23 g 2 2 e m0 I E 2% 3 mPEmwzwo 152w NEQ: Eda :2: I

5 o: 0255a :38 a: .m mm; 2: 7:5 QN 9-h- July 20, 1965 H. H. GOLDSTINE ETAL 3 ,397

SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING- NTH-ORDER AUTOCORRELATION FUNCTIONS SHIFT RESET July 20, 1965 H. H. GOLDSTINE ETAL 3,195,397

SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH-ORDER AUTOCORRELATION FUNCTIONS July 20, 1965 H. H. GOLDSTINE ETAL 3,196,397

SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH-ORDER AUTOCORRELATION FUNCTIONS Filed June 19, 1961 37 Sheets-Sheet 15 mm QE 2 x M, J 5i 5 Eww n 2 I\ S I0 K 201 5S,R0 213 225 223 'REJECT" y 0, 1965 H. H. GOLDSTINE ETAL 3,196,397

SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH-ORDER AUTOCORRELATION FUNCTIONS Filed June 19, 1961 57 Sheets-Sheet 16 FIG. 30

July 20, 1965 H. H. GOLDSTINE ETAL 97 SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH-ORDER 37 Sheets-Sheet 17 AUTOCORRELATION FUNCTIONS Filed June 19, 1961 E @2155 S 258$ Wu FQ HTET as V W 5:2 1% VA Q 1:4, 5 a. 35 2mm .85 21. M2 .532 EN/ EFESEFE- 2M0 4 n 7523 :NT F; a

u u u 8? 5 4 5.2512 2 E zwo sec s 5 s2 E 5% 5:5? .532 .2, 2mm 22 s- 2 5% 3,196,397 ORDER July 20, 1965 H. H. GOLDSTINE ETAL SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH- AUTOCORRELATION FUNCTIONS 37 Sheets-Sheet 18 Filed June 19, 1961 FIG. 320

FIG.

m n m a 8 a a p m I w 5 EN .Zu/TNIEN RM/WE mm www www I T T mm. m E H 9 8 \B 5 w w w v w v E W D 1. 8 m

t f l N d H W H m H Q w w m m A m/ H H m 7 m W m m a FIG.

y 1965 H H. GOLDSTINE ETAL 3,196,397

SPECIMEN ,IDENTIFIIECATION TECHNIQUES EMPLOYING NTH-ORDER AUTOGORRELATION FUNCTIONS Filed June 19, 1961 37 Sheets-Sheet 1.9

July 20, 1965 H. H. GOLDSTINE ETAL 3, 7

SPECIMEN IDENTIFICATION TECHNIQUES EMPLOYING NTH-ORDER AUTOCORRELATION FUNCTIONS Filed June 19. 1961 37 Sheets-Sheet 20 START FIG. 330

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1. A SPECIMEN IDENTIFICATION APPARATUS, COMPRISING IN COMBINATION: MEANS FOR GENERATING A FUNCTION OF NTHORDER AUTOCORRELATION FUNCTION OF SPECIMEN DATA LOCATED THROUGHOUT THE SPECIMEN, WHERE N IS GREATER THAN ONE; AND MEANS FOR COMPRISING THE FUNCTION WITH FUNCTIONS OF REFERENCE PORTION, TO IDENTIFY THE SPECIMEN. 